ARP 4300401 Auto Trans Pan Bolt Kit For Select Chevrolet GM Turbo 350-400 Applications
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You've struck it rich. There were two extras. Before adding the flat washer, measure 3/4" in length, 5/16" in diameter, and 18 tpi. They were installed in my classic mustang with a 302 engine.
Selected User Reviews For ARP 4300401 Auto Trans Pan Bolt Kit For Select Chevrolet GM Turbo 350-400 Applications
The only issue was that there were only 13 bolts in the package, when I needed 14. As a result, I needed to place a new order.
For my Turbo 400 transmission, these bolts are perfect. They fit perfectly; I'm aware that some people had problems with thread pitch or diameter issues with certain bolts. You can rest assured that ARP produces excellent products, and it worked perfectly on my 1989 GMC K3500 4x4 with Turbo 400 transmission.
For the tranny pan, they worked perfectly in my TH350. I bought a new pan and decided to replace the bolts as well. There are no issues.
ARP quality at its best!.
It's too good to be true!.
The 350 trans was a perfect fit. I wish they came in black.
Perfect!.